OpenTechnical

OT-2026-000058475

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, single stage ejector, supply line pressure sensor, pulsed blow-off before set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000058475) never changes.

Identity and time

Publication numberOT-2026-000058475 · never reused
Internal UUID01a0ae88-f39b-72b6-9b67-ff560aca2cc6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058475
StatusPUBLIC

Content hashes

Canonical textc21252ad31f83bbbb15cf99c9a0924a5567846a123d4167a749ca4da77d8f209
Markdownecce5b72db3c0719f5441dfe3bb697bb3d12db20f897ea381bb6d9a5613da540
PDF
Publication page0f102885ae38b5869f6f329e6665e4608411ee80be5ed63f2c3bbe7eb1e34815
Manifest26b4188f43d627454a5fe3a1143303fc3fbba84ea99a74e8ec32f391a80c0918

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signatureo1gG9EtTF1qrsiwyxTgI988dXX9PmLxXA2ZBOk2A8wBzgYhPgrNV2qGdaU8uhzz/qjOn78iQH8qm44cJ1o2pAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:46:55.774502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058475
observed 0f102885ae38b5869f6f329e6665e460...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:55.756289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058475/manifest.json
observed 26b4188f43d627454a5fe3a1143303fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:55.738666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058475/publication.md
observed ecce5b72db3c0719f5441dfe3bb697bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:55.721040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058475/publication.txt
observed c21252ad31f83bbbb15cf99c9a0924a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.